Far below the surface of Mexico’s Yucatán Peninsula, a flooded labyrinth of limestone tunnels has quietly guarded one of the ...

LOVELL — Falling 100 feet down into a dark cave is (almost) never a good thing. It is easy to imagine: a mountain lion sprinting after an antelope at 45 mph, both animals cresting a low rise. The ...

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As the Indiana weather heats up, you're probably looking for your next outdoor adventure to be of the cooler variety. And lucky for you, these caverns and caves typically range from 50 to 60 degrees ...

Long before the Sumerians pressed reeds into clay, humans may have already taken their first steps toward writing. Forty thousand years ago, in the depths of Ice Age caves, people began leaving behind ...

Sara Watson works for the FIeld Museum of Natural History and Indiana State University The Earth of the last Ice Age (about 26,000 to 19,000 years ago) was very different from today’s world. In the ...